Related Manuals for Worcester WORCESTER GREENSTORE
Summary of Contents for Worcester WORCESTER GREENSTORE
- Page 1 WORCESTER GREENSTORE 6kW, 7kW, 9kW & 11kW Combi HEAT PUMP GB/IE GB/IE INSTRUCTION MANUAL INSTALLA TION, COMMISSIONING & SERVICING...
-
Page 2: Table Of Contents
Table of contents BUILDING REGULATIONS ..........................3 For the Installer ....................5 Important information to the installer ..............6 Technical support ..............................6 Checklist ......................6 What the deliver y includes ................7 Dimensions and plumbing connections ............... 8 The heat pump and collector hose in general ............9 Transporting the heat pump ............................9 Positioning the heat pump ............................9 Maximum working temperatures ..........................9... -
Page 3: Building Regulations
The Building Regulations 1991 (England & Wales) Requirements G3, L1 and Regulation 7. The Building Standards (Scotland) Regulations 1990. Regulation 10 (B2), 22 (J3.3a and J3.4), 27 and 28 (P2.6 and P3). The Building Regulations (Northern Ireland) 2000. Installation manual for the Worcester Greenstore Combi heat pumps Worcester, 05.02.07 Part number: 8-716-113-342 Issue: b Copyright ©... - Page 4 600mm PRODUCT CONTENTS LIST 600mm Greenstore Combi Heat Pump. Components included in deliver y: Literature pack: Rubber feet User manual Outdoor sensor T2 (GT2) with cable Installation manual Room sensor T5(GT5) Guarantee card Return sensor T1 (GT1) 4 bar Pressure Relief Valve 1800mm Valve with fi...
-
Page 5: For The Installer
For the Installer Installation of the heat pump should be performed by a qualifi ed installer. This chapter includes a section recommending how the heat pump installer should install, commission and service the heat pump. The installation manual consists of a plumbing section and an electrical section. These provide technical data such as measurements, wiring diagrams and installer menus. -
Page 6: Important Information To The Installer
Important information to the installer / Checklist Important information to the installer This manual provides all the information necessary to install the heat pump. Warning The manual is divided into several sections. The order of these is based on the recommended installation sequence. -
Page 7: What The Delivery Includes
What the shipment includes What the delivery includes The following components are included in the delivery of the heat pump: Rubber feet Filling link with insulation and fi lter Quantity: 4 Quantity: 1 Return sensor T1 (GT1) Valve with fi lter Quantity: 1 Quantity: 1 Cable: 4 m... -
Page 8: Dimensions And Plumbing Connections
Dimensions and connections Dimensions and plumbing connections The following illustrations show the dimensions of the heat pump and plumbing connections. All measurements are stated in millimetres. Required installation space ≥ 100 ≥ 100 In front of the heat pump a free area of 800 mm is required for installation and servicing. -
Page 9: The Heat Pump And Collector Hose In General
The heat pump and collector hose in general The heat pump and collector hose in general Transporting the heat pump The heat pump should always be transported and stored in an upright position, never horizontally. Otherwise the suspen- sion fi ttings inside the compressor can be damaged. If the heat pump must be tilted during entry to the installation site, this should be done for as short a time as possible. -
Page 10: Collector Hose
The heat pump and collector hose in general Collector hose The task of the collector hose is to convey the heat transfer fl uid through the ground to gain a few degrees of heat. The hose is a thin-walled plastic hose of type PEM 40 x 2.4 PN 6.3. - Page 11 The heat pump and collector hose in general Outline drawings for the collector hose in the ground and through a wall The drawings below show how to run the collector hose in the ground and through a wall. The soil fi lling around the hose must not contain stones. Collector in the ground 200 mm 800-1000 mm...
-
Page 12: Installing The Expansion Vessel
The heat pump and collector hose in general The collector hose can be connected to the heat pump with one or more circuits. In a multi-circuit system, the collector pipes are connected in parallel as illustrated below. The parallel pipes are connected to two manifolds. Each coil should have a shut off valve and a fl... -
Page 13: Compact Collector
The heat pump and collector hose in general Compact collector The following equipment is used for the collector installation: Hose pliers Hose welding Fusion weld sleeve Pipe coupling Compression connector equipment Ø40 mm 1 inch BSP Install the collector as follows: 1. -
Page 14: Connecting The Heat Pump To The Heating System
Connecting the heat pump to the heating system Connecting the heat pump to the heating system It is important that all previously mentioned preparations have been carried out before the heat pump is connected to the heating system. Also ensure the system has been power fl ushed before it is connected to the Note heat pump. - Page 15 Connecting the heat pump to the heating system Detailed discharge pipe installation requirements The discharge pipework must be routed in accordance with part G3 of schedule 1 of the building Regulations. The tundish should be vertical, located in the same space as the unvented hot water cylinder and be as close as possible and within 500mm of the safety device e.g.
- Page 16 Connecting the heat pump to the heating system Maximum length of Deduct the fi gure below from the Size of discharge Size of discharge Valve outlet size straight pipe maximum length for each bend or pipework D1 pipework D2 (no bends or elbows) elbow in the discharge pipe 22 mm Up to 9 m...
-
Page 17: Use In Hard Water Areas
Connecting the heat pump to the heating system Use in hard water areas Normally there is no need for water treatment to prevent scale formation. In areas where temporary water hardness exceeds 200ppm, consideration may need to be given to the fi tting of a scale prevention device. -
Page 18: Connect Heat Pump Combi Model To The Heating System
Connecting the heat pump to the heating system Connect heat pump Combi model to the heating system The built-in control unit controls the heat pump using the outdoor sensor T2 (GT2) and the return sensor T1 (GT1) according to the outdoor compensated control curve. In the unlikely event the heat pump compressor is unable to meet the heating requirements, the electric heater starts automatically and together with the heat pump provides the required temperature. -
Page 19: Individual Temperature Control In Each Room And Increasing Volume Of Internal Water
Connecting the heat pump to the heating system Individual temperature control in each room and increasing volume of internal water This solution is used to control the temperature of each room, for example, where thermostatic valves are used on the radiators in each room. -
Page 20: Filling The Heating System
Connecting the heat pump to the heating system Filling the heating system 1. Open and close the fi lling loop between the cold water system and the heating system in short time intervals whilst observing the pressure guage. 2. Vent the system and refi ll to the correct pressure. Filling the collector circuit The collector circuit is fi... - Page 21 Connecting the heat pump to the heating system 2. Fill the fi lling pump with heat transfer fl uid. If mixing the solution on site, pour water fi rst into the fi lling pump, then anti-freeze liquid. See table 1 and 2 for correct mixture. Example: Hose type: 40/35 200 metres of hose with anti-freeze gives 200 x 0.29...
- Page 22 Connecting the heat pump to the heating system 7. When the barrel is nearly empty, stop the pump and fi ll the barrel with Commiss./Service more heat transfer fl uid. Manual operation of all functions Return Select 8. When the system is full and air no longer comes from the return pipe, run the system for at least a further 60 minutes.
-
Page 23: Connecting The Heat Pump To The Power Supply
Connecting the heat pump to the power supply Connecting the heat pump to the power supply Ensure the electricity has been switched off before connecting the heat pump to the mains. Check that cables and printed circuit boards are intact and connected. -
Page 24: External Connections To The Heat Pump
Connecting the heat pump to the power supply External connections to the heat pump The external connections must be made for the heat pump: Power supply 1-phase: The power supply is connected to terminals L, N, and Earth. Mixing valve on the heating circuit: If a second heat curve with a mixing valve is to be used, the mixing valve is connected to terminal block SV1. -
Page 25: Connecting The General Alarm, External Input And Softstart
Connecting the heat pump to the power supply Connecting the general alarm, external input and softstart General alarm The general alarm is activated irrespective of which alarm has occurred. When a general alarm is required on the heat pump, it is connected according to the diagram opposite. -
Page 26: Installer And Service Menu (I/S)
Connecting the heat pump to the power supply Installer and service menu (I/S) The controls contain an installer section of menus for settings, e.g. for com- missioning. These are accessed from the control panel by holding down Warning the menu button for approximately ten seconds. The Installer and service menu (I/S) The menu displays are divided into lines and each display has a number to is intended for use only by installers. -
Page 27: Commissioning The Heat Pump
Commissioning the heat pump Commissioning the heat pump Note The heat distribution and heat transfer fl uid circuits should be fi lled and fully vented before commissioning. Always check that there are no leaks Further important information on the before back fi lling with earth. control unit can be found in the user guide. -
Page 28: Menu Displays Which May Need Adjustment Or Checking
Commissioning the heat pump 5. Make the necessary settings on the control panel. a. Confi rm that external sensors are connected. If T3 (GT3), T4 (GT4) or T5 Commiss./Service (GT5) have been connected, confi rm these in the control panel so the control Extra sensor/Anode in operation. - Page 29 Commissioning the heat pump Commissioning/Ser vice Set when the electric heater should be activated, if necessary. On delivery the heat Commiss./Service pump is set to activate the heater when necessary. Choose between yes or no. If no Select function is chosen, the electric heater only engages during alarms, extra hot water and hot add.heat yes/no Return Select...
- Page 30 Commissioning the heat pump Timer readings There are a number of different menu displays to help check the status of the heat pump. The heat pump status is shown by the timer readings in menu 6. Timer readings Read the electric heater timer Read The function shows the amount of time remaining before the electric add.
-
Page 31: Drying Program For Fl Oor Screed
Commissioning the heat pump Drying program for fl oor screed Note Due to the continuous operation which When the heat pump has been installed in a newly built house with under- this function requires the electrical fl oor heating, the Drying for fl oor screed function can be used. energy usage will be more than in nor- The function is designed to slowly heat up the fl... -
Page 32: Start The Heat Pump With Only Additional Heat
Commissioning the heat pump Start the heat pump with only additional heat Commiss./Service Select function It might be necessary to run the heat pump before work on the heat transfer fl uid only add. heat circuit is complete. Start the heat pump with heat from the electric heater only. The Return Select heating system must have been fi... -
Page 33: Maintenance
Maintenance Maintenance The heat pump requires a minimum of maintenance, however, it is recom- Warning mended that the heat pump is checked annually by a qualifi ed installer. The main power supply must be Sight glass disconnected before working on the Expansion vessel heat pump. -
Page 34: Filters
Maintenance Filters The fi lters ensures that no debris enters the heat exchangers. Over time Note the fi lters can become blocked and will require cleaning. There are fi lters on both the primary and collector circuits. To clean the fi lters: The fi... -
Page 35: Expansion Vessel
Maintenance Expansion vessel A plastic expansion vessel is connected to the heat pump heat transfer circuit (collector circuit). The level in the expansion vessel should not fall below the minimum level of 1/3 of the volume in the vessel. Max. level The heat pump must be operating all the time while fi... -
Page 36: What To Do If A Fault Occurs
What to do if a fault occurs What to do if a fault occurs The control unit has an advanced monitoring system that gives alarms if anything unforeseen happens in the heat pump. Most alarms are rectifi ed by the user without any damage to the heat pump. Contact the Technical support in case of repeated alarms. -
Page 37: Fuses And Reset Buttons On The Heat Pump
What to do if a fault occurs Fuses and reset buttons on the heat pump Fuse 1 Reset for motor cut-out on compressor. Fuse 2 Reset switch for the heat pump’s miniature circuit-breaker. Fuse 3 Reset switch for the electric heater’s miniature circuit-breaker. - Page 38 What to do if a fault occurs Motor cut-out compressor (MB1) The menu display shows: Possible cause 1: Intermittent fault or overload on the power supply. Action: 1. Press the Ackn. button. ALARM (MB1) The alarm indication goes out even if the fault has Compr.
- Page 39 What to do if a fault occurs The menu display shows: Compressor temperature T6 (GT6) ALARM (GT6) Possible cause 1: The working temperature of the compressor is Compr. superheat 060822 16:08:15 too high. Info Ackn. Action: 1. Press the Ackn. button. 2.
- Page 40 What to do if a fault occurs High pressure switch (HP) ALARM (HP) High press. switch 060822 16:08:15 Possible cause 1: Insuffi cient primar y fl ow over the heat pump. Info Ackn. Action: 1. Press the Ackn. button. 2. Check that the heating system pump has not stopped.
- Page 41 What to do if a fault occurs High Heat transfer fl uid delta T8/T9 (GT8/GT9) The heat pump gives an alarm when the temperature difference between the sensors T8 (GT8) and T9 (GT9) is too high. ALARM GT8/GT9 High HTF delta Possible cause 1: Insuffi...
- Page 42 What to do if a fault occurs Heat transfer fl uid out max T8 (GT8) Sensor T8 (GT8) in the heat pump stops the compressor if the temperature ALARM (GT8) of the water going out to the heating system becomes too high. Heat tran fl...
- Page 43 What to do if a fault occurs HTF in under limit T10 (GT10) and HTF out under limit T11 (GT11) Possible cause 1: Temporar y low heat transfer fl uid temperature. Action: 1. Monitor performance of the heat pump. 2. If the alarm returns, contact the Technical Support Department.
-
Page 44: Commissioning Report
Commissioning report Client / Installation address: Installer: Heat pump description: Commissioning date: Heat pump serial number: Type of ground collector (bore hole, horizontal loop, compact collector): Total length of collector: Other components of the installation: Additional heat source Room sensor T5 (GT5) ........ - Page 45 Commissioning report Pressure test of collector carried out ..................... Checks on fl uid concentrations carried out (collector hose) ..................... System pressure levels checked ..................... Functional test carried out ..................... Ensure that primary circuit has been correctly fl ushed ..................... Menu settings 1.1, 1.4, 5.2 and 5.13. carried out .....................
-
Page 46: Technical Information
Technical information Technical information The heat pump’s factory settings Sensor table This table indicates the factory settings for all the settings likely to be This table indicates the values of the sensor changed by the installer. resistors to different temperatures. Menu Setting Factor y setting Temperature (... - Page 47 Technical information Technical information Greenstore Combi, Brine/Water heat pump Emitted/ Supplied output at 0/45°C 5.19/1.80 6.55/2.20 8.20/2.67 9.63/2.92 2.89 2.97 3.06 3.29 Minimum fl ow heating side 0.14 0.18 0.22 0.26 Nominal fl ow heating side 0.20 0.25 0.31 0.38 Maximum pressure available heating side (at nominal fl...
- Page 48 Technical information Supplementary technical information Maximum water supply pressure to the pressure reducing valve 16 bar Operating pressure DHW 3 bar Expansion vessel charge pressure 3 bar Expansion valve setting 6 bar Maximum primary working pressure 2,5 bar Set opening pressure of the combined temperature and pressure relief valve 7 bar / 95°C Expansion vessel, 19 liters 3 bar...
- Page 49 Part no: 8-716-113-342 Issue b 12168, Issue 1.0 EXCELLENCE COMES AS STANDARD Worcester, Bosch Group Cotswold Way, Warndon, Worcester WR4 9SW. Tel. 01905 754624 Fax. 01905 754619 Worcester, Bosch Group is a brand name of BBT Thermotechnology UK Ltd. www.worcester-bosch.co.uk...